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nigel.stanger
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docker-analytics
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Added missing KAFKA_INSTALL variable
master
spark3
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e1425ee
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4f8f49726ee9c0819f05fdc77110da3518fb4a01
Nigel Stanger
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on 24 Sep 2021
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spark-pyspark-kafka/Dockerfile
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spark-pyspark-kafka/Dockerfile
# Merging all the Spark-related tools into one image saves a LOT of space # over having separate images for each, especially given they all share # the same underlying infrastructure. It’s still just as easy to set up # and run the various services via docker-compose. FROM python:3.6-slim-buster # I originally used python:3.6-alpine but dropped it after getting tied # in knots with Python dependencies around numpy. Pip under Alpine builds # all modules from source. You can try to be clever and install the bigger # modules like numpy via apk, but the problem with numpy is that the Python # version most likely will install a different version of numpy from what # the base Alpine image supplies pre-built, so you end up building numpy # from source regardless, which takes forever (well, 10 minutes ;). I tried # to figure out a combination that worked without success. # # Going to a later version of Python would probably resolve this, but that # would require moving to Spark 3 (2.4 doesn't support 3.8 or later), and # we don’t have time to test that at the moment. Which is why this is still # using Python 3.6: if it ain't broke... # Ideally we should run as a non-root user, but it's problematic to set # up shared files, especially if running Docker within, say, VirtualBox. # See https://vsupalov.com/docker-shared-permissions/ # ARG NB_USER="pyspark" # ARG NB_UID="1000" # ARG NB_GID="1000" ENV \ # download mirrors SPARK_MIRROR="https://dlcdn.apache.org" \ GRAPHFRAMES_MIRROR="https://repos.spark-packages.org" \ KAFKA_MIRROR="https://archive.apache.org/dist" \ # Spark SPARK_VERSION="2.4.8" \ HADOOP_VERSION="2.7" \ SPARK_INSTALL="/usr/local" \ SPARK_HOSTNAME="localhost" \ SPARK_MASTER_PORT="7077" \ SPARK_MASTER_WEBUI_PORT="8080" \ # graphframes GRAPHFRAMES_VERSION="0.8.1-spark2.4-s_2.11" \ # Kafka KAFKA_INSTALL="/usr/local" \ KAFKA_VERSION="2.2.2" \ SCALA_VERSION="2.11" \ # PySpark PYSPARK_KERNEL_NAME="PySpark" \ PYSPARK_PYTHON="/usr/local/bin/python" \ KERNELS_TEMPLATE_PATH="/tmp" \ KERNELS_DIR_PATH="/root/.local/share/jupyter/kernels" \ # Miscellaneous BUILD_PACKAGES="wget gnupg software-properties-common" \ PURGE_PACKAGES="$BUILD_PACKAGES readline-common libreadline7 netbase libgdbm6" # These environment variables need to be defined separately because you # can't reference prior environment variables in the same ENV block. ENV \ # Spark SPARK_HOME="$SPARK_INSTALL/spark" \ SPARK_MASTER="spark://$SPARK_HOSTNAME:$SPARK_MASTER_PORT" \ # Kafka KAFKA_HOME="$KAFKA_INSTALL/kafka" \ # PySpark PYSPARK_DRIVER_PYTHON="$PYSPARK_PYTHON" # More PySpark stuff ENV PYTHONPATH="$SPARK_HOME/python:$SPARK_HOME/python/lib/py4j-0.10.7-src.zip" \ PYSPARK_SUBMIT_ARGS="--master $SPARK_MASTER pyspark-shell --py-files $SPARK_HOME/jars/graphframes-$GRAPHFRAMES_VERSION.jar" \ PYTHONSTARTUP="$SPARK_HOME/python/pyspark/shell.py" # Coalescing the RUNs saves quite a significant amount of space # (about 10% just for Spark alone). # <https://www.dajobe.org/blog/2015/04/18/making-debian-docker-images-smaller/> RUN apt-get update && \ # Miscellaneous infrastructure apt-get install -y --no-install-recommends tini $BUILD_PACKAGES ; \ # Install AdoptOpenJDK 8 # <https://stackoverflow.com/a/59436618> wget -qO - https://adoptopenjdk.jfrog.io/adoptopenjdk/api/gpg/key/public | apt-key add - && \ add-apt-repository --yes https://adoptopenjdk.jfrog.io/adoptopenjdk/deb/ && \ apt-get update && apt-get install -y adoptopenjdk-8-hotspot ; \ # Download, install, and symlink spark cd $SPARK_INSTALL && \ wget -q --show-progress --progress=bar:force:noscroll $SPARK_MIRROR/spark/spark-$SPARK_VERSION/spark-$SPARK_VERSION-bin-hadoop$HADOOP_VERSION.tgz 2>&1 && \ tar xzf spark-$SPARK_VERSION-bin-hadoop$HADOOP_VERSION.tgz && \ ln -s spark-$SPARK_VERSION-bin-hadoop$HADOOP_VERSION spark && \ rm -f spark-$SPARK_VERSION-bin-hadoop$HADOOP_VERSION.tgz ; \ # Download and install graphframes cd $SPARK_INSTALL/spark/jars && \ wget -q --show-progress --progress=bar:force:noscroll $GRAPHFRAMES_MIRROR/graphframes/graphframes/$GRAPHFRAMES_VERSION/graphframes-$GRAPHFRAMES_VERSION.jar ; \ # Download, install, and symlink Kafka cd $SPARK_INSTALL && \ wget -q --show-progress --progress=bar:force:noscroll $KAFKA_MIRROR/kafka/$KAFKA_VERSION/kafka_$SCALA_VERSION-$KAFKA_VERSION.tgz 2>&1 && \ tar xzf kafka_$SCALA_VERSION-$KAFKA_VERSION.tgz && \ ln -s kafka_$SCALA_VERSION-$KAFKA_VERSION kafka && \ rm -f kafka_$SCALA_VERSION-$KAFKA_VERSION.tgz ; \ # Install required modules for PySpark and install kernel pip install --upgrade pip && \ pip install jupyter kafka-python graphframes && \ # Tornado 6 breaks sparkmonitor # tornado==5.1 \ # sparkmonitor \ ipython kernel install --name "$PYSPARK_KERNEL_NAME" ; \ # Clear out all the unnecessary crap apt-get remove -y --purge $PURGE_PACKAGES && \ apt -y autoremove && \ apt-get clean -y && \ rm -rf /var/lib/apt/lists/* && \ rm -rf /tmp/* && \ rm -rf /var/cache/* && \ rm -rf /root/.cache # Startup scripts COPY start-master.sh start-worker.sh start-jupyter.sh start-kafka.sh /usr/local/bin/ # Configuration files COPY spark-defaults.conf $SPARK_HOME/conf COPY server.properties $KAFKA_HOME/config/ # PySpark kernel, based on the template from # <https://github.com/Anchormen/pyspark-jupyter-kernels>. COPY kernel.json $KERNELS_DIR_PATH/$PYSPARK_KERNEL_NAME/ # Spark doesn't seem to respond directly to SIGTERM as the exit status is # for SIGKILL (137), after a pause. Presumably docker-compose down times out. # Using tini gives immediate exit with status 143 (SIGTERM). ENTRYPOINT ["/usr/bin/tini", "--"] # Override this in your docker-compose.yml or at the command line. # Spark master (default): /usr/local/bin/start-master.sh # Spark worker: /usr/local/bin/start-worker.sh # PySpark: /usr/local/bin/start-jupyter.sh # Kafka: /usr/local/bin/start-kafka.sh CMD ["/usr/local/bin/start-master.sh"] # debugging # CMD ["bash"]
# Merging all the Spark-related tools into one image saves a LOT of space # over having separate images for each, especially given they all share # the same underlying infrastructure. It’s still just as easy to set up # and run the various services via docker-compose. FROM python:3.6-slim-buster # I originally used python:3.6-alpine but dropped it after getting tied # in knots with Python dependencies around numpy. Pip under Alpine builds # all modules from source. You can try to be clever and install the bigger # modules like numpy via apk, but the problem with numpy is that the Python # version most likely will install a different version of numpy from what # the base Alpine image supplies pre-built, so you end up building numpy # from source regardless, which takes forever (well, 10 minutes ;). I tried # to figure out a combination that worked without success. # # Going to a later version of Python would probably resolve this, but that # would require moving to Spark 3 (2.4 doesn't support 3.8 or later), and # we don’t have time to test that at the moment. Which is why this is still # using Python 3.6: if it ain't broke... # Ideally we should run as a non-root user, but it's problematic to set # up shared files, especially if running Docker within, say, VirtualBox. # See https://vsupalov.com/docker-shared-permissions/ # ARG NB_USER="pyspark" # ARG NB_UID="1000" # ARG NB_GID="1000" ENV \ # download mirrors SPARK_MIRROR="https://dlcdn.apache.org" \ GRAPHFRAMES_MIRROR="https://repos.spark-packages.org" \ KAFKA_MIRROR="https://archive.apache.org/dist" \ # Spark SPARK_VERSION="2.4.8" \ HADOOP_VERSION="2.7" \ SPARK_INSTALL="/usr/local" \ SPARK_HOSTNAME="localhost" \ SPARK_MASTER_PORT="7077" \ SPARK_MASTER_WEBUI_PORT="8080" \ # graphframes GRAPHFRAMES_VERSION="0.8.1-spark2.4-s_2.11" \ # Kafka KAFKA_VERSION="2.2.2" \ SCALA_VERSION="2.11" \ # PySpark PYSPARK_KERNEL_NAME="PySpark" \ PYSPARK_PYTHON="/usr/local/bin/python" \ KERNELS_TEMPLATE_PATH="/tmp" \ KERNELS_DIR_PATH="/root/.local/share/jupyter/kernels" \ # Miscellaneous BUILD_PACKAGES="wget gnupg software-properties-common" \ PURGE_PACKAGES="$BUILD_PACKAGES readline-common libreadline7 netbase libgdbm6" # These environment variables need to be defined separately because you # can't reference prior environment variables in the same ENV block. ENV \ # Spark SPARK_HOME="$SPARK_INSTALL/spark" \ SPARK_MASTER="spark://$SPARK_HOSTNAME:$SPARK_MASTER_PORT" \ # Kafka KAFKA_HOME="$KAFKA_INSTALL/kafka" \ # PySpark PYSPARK_DRIVER_PYTHON="$PYSPARK_PYTHON" # More PySpark stuff ENV PYTHONPATH="$SPARK_HOME/python:$SPARK_HOME/python/lib/py4j-0.10.7-src.zip" \ PYSPARK_SUBMIT_ARGS="--master $SPARK_MASTER pyspark-shell --py-files $SPARK_HOME/jars/graphframes-$GRAPHFRAMES_VERSION.jar" \ PYTHONSTARTUP="$SPARK_HOME/python/pyspark/shell.py" # Coalescing the RUNs saves quite a significant amount of space # (about 10% just for Spark alone). # <https://www.dajobe.org/blog/2015/04/18/making-debian-docker-images-smaller/> RUN apt-get update && \ # Miscellaneous infrastructure apt-get install -y --no-install-recommends tini $BUILD_PACKAGES ; \ # Install AdoptOpenJDK 8 # <https://stackoverflow.com/a/59436618> wget -qO - https://adoptopenjdk.jfrog.io/adoptopenjdk/api/gpg/key/public | apt-key add - && \ add-apt-repository --yes https://adoptopenjdk.jfrog.io/adoptopenjdk/deb/ && \ apt-get update && apt-get install -y adoptopenjdk-8-hotspot ; \ # Download, install, and symlink spark cd $SPARK_INSTALL && \ wget -q --show-progress --progress=bar:force:noscroll $SPARK_MIRROR/spark/spark-$SPARK_VERSION/spark-$SPARK_VERSION-bin-hadoop$HADOOP_VERSION.tgz 2>&1 && \ tar xzf spark-$SPARK_VERSION-bin-hadoop$HADOOP_VERSION.tgz && \ ln -s spark-$SPARK_VERSION-bin-hadoop$HADOOP_VERSION spark && \ rm -f spark-$SPARK_VERSION-bin-hadoop$HADOOP_VERSION.tgz ; \ # Download and install graphframes cd $SPARK_INSTALL/spark/jars && \ wget -q --show-progress --progress=bar:force:noscroll $GRAPHFRAMES_MIRROR/graphframes/graphframes/$GRAPHFRAMES_VERSION/graphframes-$GRAPHFRAMES_VERSION.jar ; \ # Download, install, and symlink Kafka cd $SPARK_INSTALL && \ wget -q --show-progress --progress=bar:force:noscroll $KAFKA_MIRROR/kafka/$KAFKA_VERSION/kafka_$SCALA_VERSION-$KAFKA_VERSION.tgz 2>&1 && \ tar xzf kafka_$SCALA_VERSION-$KAFKA_VERSION.tgz && \ ln -s kafka_$SCALA_VERSION-$KAFKA_VERSION kafka && \ rm -f kafka_$SCALA_VERSION-$KAFKA_VERSION.tgz ; \ # Install required modules for PySpark and install kernel pip install --upgrade pip && \ pip install jupyter kafka-python graphframes && \ # Tornado 6 breaks sparkmonitor # tornado==5.1 \ # sparkmonitor \ ipython kernel install --name "$PYSPARK_KERNEL_NAME" ; \ # Clear out all the unnecessary crap apt-get remove -y --purge $PURGE_PACKAGES && \ apt -y autoremove && \ apt-get clean -y && \ rm -rf /var/lib/apt/lists/* && \ rm -rf /tmp/* && \ rm -rf /var/cache/* && \ rm -rf /root/.cache # Startup scripts COPY start-master.sh start-worker.sh start-jupyter.sh start-kafka.sh /usr/local/bin/ # Configuration files COPY spark-defaults.conf $SPARK_HOME/conf COPY server.properties $KAFKA_HOME/config/ # PySpark kernel, based on the template from # <https://github.com/Anchormen/pyspark-jupyter-kernels>. COPY kernel.json $KERNELS_DIR_PATH/$PYSPARK_KERNEL_NAME/ # Spark doesn't seem to respond directly to SIGTERM as the exit status is # for SIGKILL (137), after a pause. Presumably docker-compose down times out. # Using tini gives immediate exit with status 143 (SIGTERM). ENTRYPOINT ["/usr/bin/tini", "--"] # Override this in your docker-compose.yml or at the command line. # Spark master (default): /usr/local/bin/start-master.sh # Spark worker: /usr/local/bin/start-worker.sh # PySpark: /usr/local/bin/start-jupyter.sh # Kafka: /usr/local/bin/start-kafka.sh CMD ["/usr/local/bin/start-master.sh"] # debugging # CMD ["bash"]
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